Double Slider Max / Min value fix

Fix for Double Slider Max / Min value.
Handle namespace collision warnings
Revert unintended change
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into newMaster
Code cleanup for namespace handling
Code cleanup - remove unnecessary condition
code cleanup
Address comments
Add comments
Merge pull request #2915 from ke-yu/Revit2015

Merge master into Revit2015
Renamed test cases and tweaked "PauseAfterPlaybackInMs" duration
Merge pull request #2891 from junmendoza/master

Handle namespace collision warnings
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into Revit2015
Merge pull request #2917 from junmendoza/Revit2015

Crossmerge namespace conflict handler to Revit2015
Renamed test cases and tweaked "PauseAfterPlaybackInMs" duration
Merge pull request #2916 from Benglin/UnitTestFixes

Updated test cases with weird names
Merge pull request #2918 from Benglin/Revit2015

Cross merging master changes into Revit 2015
Move reivt event handler from RevitDynamoModel to DynamoRevit
Double Slider Fix

Added  [Category("Failure")] to unit test.
Merge pull request #2877 from ramramps/Double-Slider-Fix

MAGN-3238 : Number slider limits + custom node interprets slider differently than other nodes